Roller for trucks, &amp;c.



PATENTED DEC. 15, 1908,

S. B. PEGK.

ROLLER FOR TRUCKS, 6w.

APPLIOATIOH FILED FEB. 5, 1903.

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NITED STATES Tateiitd. Ibecember 15, 1903.-

STAUNTON B. PECK, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE LINK BELT MACHINERY COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

ROLLER FOR TRUCKS, $40.

SPECIFICATION forming part of Letters Patent No. 747,215, dated December 15, 1903.

Application filed February 5, 1908. Serial No. 142,039. (No model.)

To all whom it may concern.-

Be it known that I, STAUNTON B. PEGK, a citizen of the United States, residing in Chicago, in the county of Cook and State of Illi- 5 nois, have invented a certain new and useful Improvement in Rollers for Trucks, &c., of which the following is a specification.

My invention consists in certain improvements in self-oiling wick-feed dust'proof rollers or wheels such as are particularly intended for use in connection with relatively heavy carriers or conveyers. Such devices are commonly provided with a large number of rollers or whee1s,and they are also de' signed frequently to run through great quantities of dust, dirt, and the like. It is evident, therefore, that they must be thoroughly and constantly oiled and that the oiling process ought to be protected from interference by the dust and dirt. It is also evident that in the ordinary process the oiling of each particular roller would be very expensive and difficult to carry out.

,My improvement, therefore, broadly consists of a wheel so constructed or associated with such parts as that there is, first, an oilcarrying chamber; second, a wick or the like, and, third, a journal-bearing, the wick interposed between the oil-chamber and the jour- 0 nal-bearing, and the wick concealed or protected from outside exposure.

I have shown one form of my invention, though I do not wish to be limited to the precise form shown, and what I have illus- 5 trated is intended to only diagrammatically set forth one application of my invention.

Figure 1 isa cross-section on the line 1 l of Fig. 2. Fig. 2 isa vertical section on the line 2 2 of Fig. 1. Fig. 3 is a detail of the so- 0 called wick.

Like parts are indicated by the same letter in all the figures.

A is a hub associated with the rilnB and the opposite huh C. The two hubs are suit- ),5 ably connected, so as to form within them a journal-receiving space D.

E is an annular chamber formed between the inner walls of the rim B and the walls of the cylindrical portion F, which forms an inward extension from the hub C. This cylindrical portion F has an inward-enlarged portion G, which is connected at intervals by the ribs H H with the flange J on the hub A. Two of these ribs K K are enlarged, so as to extend, as indicated, to the outer rim. The part Gr is so shaped as to leave a chamber into which the wick portion L can fit, as indicated in Fig. 1. This wick is slotted centrally at M M, so that when the shaft is put through the hearing it will assume the position shown in Fig. 1.

O is a valve-protected su pply passage-Way.

It is now evident that there is, first, an oilchamber formed within the rim B; second, a wick interposed between the shaft and this oil-chamber; third, that this wick is entirely protected from external exposure, and, fourth, that there is therefore a protected wick between the oil-chamber and the journal shaft or bearing. This wick partakes of the nature of an annulus and at the same time is shaped so as to be easily inserted and to give a relatively long bearing-face against the shaft. The enlarged ribs K serve to keep the oil P in motion or to carry it into the up per part of the chamber E from timeto time, and thus cause the wick to be constantly saturated with oil.

The use and operation and advantages of this construction will be quite apparent to any one familiar with the art, and to emphasize them it is only necessary to suggest that in the former devices the wicks have been externally exposed and have been filled from without and that when wicks have been dispensed with and oil-chambers used the wearing of the shaft or journal speedily causes great loss of oil, with excessive lubrication.

Other advantages and peculiarities of the device will readily occur to one versed in the art.

I clairn- 1. A self-lubricating roller, comprising an exterior shell, an interior journal-space, an intermediate closed oil-chamber, an annular 95 way at right angles to the journal, a Washerlike wick within the annularway and having longitudinallyprojecting portions which lie parallel with and engage the outer surface of the journal.

ZOO

2. A self-lubricating roller, comprising an exterior shell, an interior journal-space, an intermediate closed oil-chamber, an annular way at right angles to the journal, a washerlike wick Within the annular Way and having longitudinally-projecting portions which lie parallel with and engage the outer surface of the journal, and recesses surrounding the journal-space to receive such last-mentioned portion of the wick.

3. A self-lubricating roller, comprising an exterior shell, an interior journal-space, an intermediate closed oil-chamber, an annular way at right angles to the journal, a washerlike wick within the annular way and having longitudinully-projecting portions which lie parallel with and engage the outer surface of the journal, and vanes formed in the oilchamber and intercepting the plane in which the Washer lies so that the oil is carried up and dropped down upon the washer.

4. A self-lubricatingroller, comprising an exterior shell, an interior journal-space, an intermediate closed oil-chamber, an annular way connecting the oil-chamber with the journal'space, a washerlike Wick which lies in the annular way at right angles to the journal and. vanes formed in the oil-chamber and crossing the plane of the washer-like wick so as to carry up the oil and drop it down upon 50 the wick.

STAUNTON B. PEOK.

Witnesses FANNY B. FAY, HOMER L. KRAFT. 

